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ZIP code 70346: Donaldsonville, LA

70346 is a ZIP code in Donaldsonville, Louisiana, mainly in Ascension Parish, part of the Baton Rouge, LA metro area. About 9,927 people live here.

Population
9,927
Median household income
$35,280
Typical home value
$180,300+3.3% in 12 months
Median rent
$856gross, per month
Median age
35
Homeowners
55.4%of occupied homes
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Shaded: ZIP code 70346's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 70346 details

CityDonaldsonville
StateLouisiana
CountyAscension Parish (also partly Assumption Parish)
Metro areaBaton Rouge, LA
Time zoneCentral Time (UTC−6), observes daylight saving time
TypeStandard (delivery area)
Land area64.9 sq mi, plus 4.9 sq mi of water
Population density153 people per sq mi
Bachelor's degree or higher11.6% of adults 25+
Average commute26.7 minutes
Center coordinates30.10609, -91.01799

Median rent in 70346 by bedrooms

SizeMedian gross rent
1 bedroom$623/mo
2 bedrooms$857/mo
3 bedrooms$1,131/mo

Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.

ZIP codes near 70346

ZIP codeCityDistancePopulation
70725Darrow, LA3.1 mi943
70738Burnside, LA6.1 mi—
70341Belle Rose, LA6.7 mi3,690
70734Geismar, LA7.1 mi9,213
70393Plattenville, LA7.7 mi117
70391Paincourtville, LA8.1 mi0
70721Carville, LA8.9 mi447
70737Gonzales, LA10.0 mi49,084

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Buying a home in 70346?

A typical home in ZIP code 70346 is worth about $180,300 (Zillow Home Value Index). The median household here earns $35,280 a year. See what buying here would cost per month, with Louisiana average taxes and insurance filled in.

Monthly payment for a $180,300 homeWhat can a $35,280 income afford?Rental property numbers

About ZIP code 70346

What city is ZIP code 70346?

ZIP code 70346 is in Donaldsonville, LA, in Ascension Parish.

What county is ZIP code 70346 in?

70346 is mainly in Ascension Parish, Louisiana, and partly in Assumption Parish.

What is the population of ZIP code 70346?

About 9,927 people live in ZIP code 70346, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 70346 in?

70346 is in Central Time (UTC−6). It observes daylight saving time.